AT41120B - Process for the production of tubes with helical waves. - Google Patents

Process for the production of tubes with helical waves.

Info

Publication number
AT41120B
AT41120B AT41120DA AT41120B AT 41120 B AT41120 B AT 41120B AT 41120D A AT41120D A AT 41120DA AT 41120 B AT41120 B AT 41120B
Authority
AT
Austria
Prior art keywords
tubes
production
helical waves
helical
waves
Prior art date
Application number
Other languages
German (de)
Original Assignee
Mannesmann Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE1907210089D external-priority patent/DE210089C/de
Application filed by Mannesmann Ag filed Critical Mannesmann Ag
Application granted granted Critical
Publication of AT41120B publication Critical patent/AT41120B/en

Links

AT41120D 1907-05-23 1908-04-27 Process for the production of tubes with helical waves. AT41120B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1907210089D DE210089C (en) 1907-05-23

Publications (1)

Publication Number Publication Date
AT41120B true AT41120B (en) 1910-02-25

Family

ID=5795505

Family Applications (1)

Application Number Title Priority Date Filing Date
AT41120D AT41120B (en) 1907-05-23 1908-04-27 Process for the production of tubes with helical waves.

Country Status (1)

Country Link
AT (1) AT41120B (en)

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